The water level of Coralville Lake can impact the usuability of the Sugar Bottom trail system.

Below is a graph showing the current lake level, this image self updates once an hour.Some key elevations to note are:

* 679' - Normal winter/spring pool level * 683' - Normal summer lake pool level * 689' - Gravel access road closed - high water access trail open to #102 (two-way traffic) * 690' - Second dip in road under water - #101 pontoon bridge is now two-way traffic * 695' - #101 pontoon bridge is now floating - Be cautious while crossing! * 696' - Third dip in road under water - end of #101 now two-way traffic * 701.5' - ravines after Cannon's Run on #101 underwater. Access to the South side of trail system is only available from rear entrance.